Rule History

alert tcp $EXTERNAL_NET 10000: -> $HOME_NET 0:1023 (msg:"ET DOS Potential Tsunami SYN Flood Denial Of Service Attempt"; flags:S; flow:to_server; dsize:>900; threshold: type both, count 20, seconds 120, track by_src; reference:url,security.radware.com/uploadedFiles/Resources_and_Content/Threat/TsunamiSYNFloodAttack.pdf; classtype:attempted-dos; sid:2019404; rev:3; metadata:created_at 2014_10_15, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)